import javax.xml.soap.*;
import java.util.Iterator;
import java.net.URL;
import java.io.*;

public class Client {

    public static void main(String[] args) {
        try {
            SOAPConnectionFactory soapConnectionFactory = SOAPConnectionFactory.newInstance();
            SOAPConnection connection = soapConnectionFactory.createConnection();
            SOAPMessage message = prepareMessage();

            System.out.print("\nPrinting the message that is being sent: \n\n");
            message.writeTo(System.out);
            System.out.println("\n\n");

            URL endpoint = new URL("https://opendap.co-ops.nos.noaa.gov/axis/services/Wind");
            SOAPMessage response = connection.call(message, endpoint);
            connection.close();

            /*
            System.out.println("\nPrinting the respone that was recieved: \n\n" );
            response.writeTo(System.out);
             */

            //Uncoment this part if you want the response to be saved locally in an XML file
            /*
            FileOutputStream fout = new FileOutputStream ("SoapResponse.xml");
            response.writeTo(fout);
            fout.close();
             */

            //You can also stores the response as a String
            /*
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            response.writeTo( out );
            String str = out.toString();  
             */

            System.out.println("\n\nIterating through the response object to get the values:\n\n");
            SOAPBody responseBody = response.getSOAPBody();

            //Checking for errors
            if (responseBody.hasFault()) {
                SOAPFault fault = responseBody.getFault();
                String actor = fault.getFaultActor();
                System.out.println("Fault contains: ");
                System.out.println("Fault code: " + fault.getFaultCodeAsName().getQualifiedName());
                System.out.println("Fault string: " + fault.getFaultString());
                if (actor != null) {
                    System.out.println("Actor: " + actor);
                }
            } else {
                Iterator iterator = responseBody.getChildElements();
                Iterator iterator2 = null;
                Iterator iterator3 = null;

                String tagName = null;
                SOAPElement se = null;

                if (iterator.hasNext()) {
                    se = (SOAPElement) iterator.next();
                    iterator = se.getChildElements();
                    while (iterator.hasNext()) {
                        se = (SOAPElement) iterator.next();
                        printMetadata(se);
                        tagName = se.getElementName().getLocalName();
                        if ("data".equals(tagName)) {
                            iterator2 = se.getChildElements();
                            while (iterator2.hasNext()) {
                                se = (SOAPElement) iterator2.next();
                                iterator3 = se.getChildElements();
                                while (iterator3.hasNext()) {
                                    se = (SOAPElement) iterator3.next();
                                    printData(se);
                                }
                            }
                        }
                    }
                }
            }
        } catch (SOAPException e) {
            System.err.println("ERROR: ******* " + e.toString());
        } catch (IOException io) {
            System.err.println("ERROR: ******* " + io.toString());
        }
    }

    public static SOAPMessage prepareMessage() {
        SOAPMessage message = null;
        try {
            SOAPFactory soapFactory = SOAPFactory.newInstance();

            MessageFactory factory = MessageFactory.newInstance();
            message = factory.createMessage();

            SOAPBody body = message.getSOAPBody();
            Name bodyName = soapFactory.createName("getWindAndMetadata", "wind",
                    "https://opendap.co-ops.nos.noaa.gov/axis/webservices/wind/wsdl");
            SOAPBodyElement bodyElement = body.addBodyElement(bodyName);

            //Constructing the body for the request
            Name name = soapFactory.createName("stationId");
            SOAPElement symbol = bodyElement.addChildElement(name);
            symbol.addTextNode("8454000");
            name = soapFactory.createName("beginDate");
            symbol = bodyElement.addChildElement(name);
            symbol.addTextNode("20060101 00:00");
            name = soapFactory.createName("endDate");
            symbol = bodyElement.addChildElement(name);
            symbol.addTextNode("20060101 00:18");
            name = soapFactory.createName("unit");
            symbol = bodyElement.addChildElement(name);
            symbol.addTextNode("Meters");
            name = soapFactory.createName("timeZone");
            symbol = bodyElement.addChildElement(name);
            symbol.addTextNode("0");
        } catch (SOAPException e) {
            System.err.println("ERROR: ******* " + e.toString());
        }
        return message;
    }

    public static void printMetadata(SOAPElement se) {
        String tagName = se.getElementName().getLocalName();
        if (tagName != null) {
            if ("stationId".equals(tagName)) {
                System.out.println("Printing Metadata \n");
                System.out.println("Station ID       : " + se.getValue());
            } else if ("stationName".equals(tagName)) {
                System.out.println("station Name     : " + se.getValue());
            } else if ("latitude".equals(tagName)) {
                System.out.println("Latitude         : " + se.getValue());
            } else if ("longitude".equals(tagName)) {
                System.out.println("Longitude        : " + se.getValue());
            } else if ("state".equals(tagName)) {
                System.out.println("State            : " + se.getValue());
            } else if ("dataSource".equals(tagName)) {
                System.out.println("Data Source      : " + se.getValue());
            } else if ("COOPSDisclaimer".equals(tagName)) {
                System.out.println("COOPS Disclaimer : " + se.getValue());
            } else if ("beginDate".equals(tagName)) {
                System.out.println("Begin Date       : " + se.getValue());
            } else if ("endDate".equals(tagName)) {
                System.out.println("End Date         : " + se.getValue());
            } else if ("timeZone".equals(tagName)) {
                System.out.println("Time Zone        : " + se.getValue());
            } else if ("unit".equals(tagName)) {
                System.out.println("Unit             : " + se.getValue() + "\n");
                System.out.println("Printing the data \n");
            }
        }
    }

    public static void printData(SOAPElement se) {
        String tagName = se.getElementName().getLocalName();
        if (tagName != null) {
            if (tagName.equals("timeStamp")) {
                System.out.println("Time Stamp  : " + se.getValue());
            } else if (tagName.equals("WS")) {
                System.out.println("WS          : " + se.getValue());
            } else if (tagName.equals("WD")) {
                System.out.println("WD          : " + se.getValue());
            } else if (tagName.equals("WG")) {
                System.out.println("WG          : " + se.getValue());
            } else if (tagName.equals("X")) {
                System.out.println("X           : " + se.getValue());
            } else if (tagName.equals("R")) {
                System.out.println("R           : " + se.getValue() + "\n");
            }

        }
    }
}
/****************************************************
SAMPLE RUN
 
>java Client
 
Printing the message that is being sent:
 
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
    <SOAP-ENV:Header/>
    <SOAP-ENV:Body>
        <wind:getWindAndMetadata xmlns:wind="https://opendap.co-ops.nos.noaa.gov/axis/webservices/wind/wsdl">
            <stationId>8454000</stationId>
            <beginDate>20060101 00:00</beginDate>
            <endDate>20060101 00:18</endDate>
            <timeZone>0</timeZone>
        </wind:getWindAndMetadata>
    </SOAP-ENV:Body>
</SOAP-ENV:Envelope>
 
Iterating through the response object to get the values:
 
Printing Metadata 

Station ID       : 8454000
station Name     : Providence
Latitude         : 41.8071
Longitude        : -71.4012
State            : RI
Data Source      : USDOC/NOAA/NOS/COOPS(Center for Operational Oceanographic Products and Services)
COOPS Disclaimer : These raw data have not been subjected to the National Ocean Service's quality control
                   or quality assurance procedures and do not meet the criteria and standards of
                   official National Ocean Service data. They are released for limited public use as
                   preliminary data to be used only with appropriate caution.
Begin Date       : 20060101 00:00
End Date         : 20060101 00:18
Time Zone        : GMT
Unit             : Wind speed in meters per second, Wind direction in degrees, Wind gust in meters per second

Printing the data 

Time Stamp  : 2006-01-01 00:00:00.0
WS          : 3.3
WD          : 33
WG          : 5.0
X           : 0
R           : 0

Time Stamp  : 2006-01-01 00:06:00.0
WS          : 2.1
WD          : 30
WG          : 4.1
X           : 0
R           : 0

Time Stamp  : 2006-01-01 00:12:00.0
WS          : 3.3
WD          : 34
WG          : 4.4
X           : 0
R           : 0

Time Stamp  : 2006-01-01 00:18:00.0
WS          : 3.0
WD          : 33
WG          : 4.0
X           : 0
R           : 0

*************************************************************/